arduino › microcontroller board
arduino Arduino Nano 33 BLE
Cortex-M4F + 256 KB SRAM is the smallest official Arduino that comfortably runs TensorFlow Lite Micro. 3.3V logic only.
Specifications
- mcu chip
- nrf52840
- clock mhz
- 64
- flash kb
- 1024
- sram kb
- 256
- wifi
- no
- wifi band
- none
- bluetooth
- ble
- usb
- micro_b
- gpio count
- 14
- analog inputs
- 8
- pwm pins
- 14
- i2c
- yes
- spi
- yes
- uart count
- 1
- operating voltage v
- 3.3
- input voltage range v
- 5-21
- power pins
- 3v3, vin
- firmware compat
- arduino_ide, platformio
- ai accelerator
- none
- form factor
- nano
Sources
- SparkFun open product catalog · ingest 2026-05-06
- Adafruit open product catalog · ingest 2026-05-06
- Arduino official product database · ingest 2026-05-06